To verify this will fit your machine measure the distance between the existing mounting holes on the mower deck.
That distance should be 29.5" inches center to center.
Watch the video below to see how to make this measurement.
Roller Dimensions...

This lawn striper kit was custom built to fit a 2010 John Deere 950A series with the 60" 7 Iron mower deck. (see photos)
We know that it will also fit the following machines:
2012 John Deere Z930A with 60" 7-iron mulch on demand deck. (see...